yipdw/analysand

module Analysand
  # Private: Methods to generate exceptions.
  module Errors
    # Instantiates an exception and fills in a response.
    #
    # klass    - the exception class
    # response - the response object that caused the error
    def ex(klass, response)
      klass.new("Expected response to have code 2xx, got #{response.code} instead").tap do |ex|
        ex.response = response
      end
    end

    # Like #ex, but customized for bulk operations.  (CouchDB's bulk_docs can
    # return 2xx even on failure; you need to inspect the response body to
    # figure out what happened.)
    #
    # klass    - the exception class
    # response - the response object that caused the error
    def bulk_ex(klass, response)
      klass.new("Bulk operation failed (some records reported failure)").tap do |ex|
        ex.response = response
      end
    end
  end

  class InvalidURIError < StandardError
  end

  class DatabaseError < StandardError
    attr_accessor :response
  end

  class ConfigurationNotSaved < DatabaseError
  end

  class ConfigurationNotDeleted < DatabaseError
  end

  class DocumentNotSaved < DatabaseError
  end

  class DocumentNotDeleted < DatabaseError
  end

  class CannotAccessDocument < DatabaseError
  end

  class CannotAccessView < DatabaseError
  end

  class CannotDropDatabase < DatabaseError
  end

  class BulkOperationFailed < DatabaseError
  end

  class UnexpectedViewKey < StandardError
  end
end